SOUTHPORT, England — David Duval strolled up the final fairway on a cloudy day in dark sunglasses, waving to the cheering fans, back in a familiar place at the British Open. OK, so it was only Friday. And most of the grandstand seats were empty. And this is Royal Birkdale, not Lytham. But, for a guy who lost his way all those years — even while finding himself away from the ...